doug (08/10/82)
>From pal Mon Aug 9 15:54:57 1982
To: doug
Subject: problem solved
down. the volume of the rocks is smaller than that of an equivalent weight
of water (since rocks are denser than water). when in the boat, the rocks
displace an amount of water equal to their weight, but when in the pond
they only displace an amount equal to them in volume.